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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/metrics/net/net_metrics_log_uploader.h"
#include <memory>
#include "base/base64.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "components/encrypted_messages/encrypted_message.pb.h"
#include "services/network/public/cpp/weak_wrapper_shared_url_loader_factory.h"
#include "services/network/test/test_url_loader_factory.h"
#include "services/network/test/test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/metrics_proto/reporting_info.pb.h"
#include "third_party/zlib/google/compression_utils.h"
#include "url/gurl.h"
namespace metrics {
class NetMetricsLogUploaderTest : public testing::Test {
public:
NetMetricsLogUploaderTest()
: on_upload_complete_count_(0),
test_shared_url_loader_factory_(
base::MakeRefCounted<network::WeakWrapperSharedURLLoaderFactory>(
&test_url_loader_factory_)) {
test_url_loader_factory_.SetInterceptor(base::BindLambdaForTesting(
[&](const network::ResourceRequest& request) {
upload_data_ = network::GetUploadData(request);
headers_ = request.headers;
loop_.Quit();
}));
}
NetMetricsLogUploaderTest(const NetMetricsLogUploaderTest&) = delete;
NetMetricsLogUploaderTest& operator=(const NetMetricsLogUploaderTest&) =
delete;
void CreateAndOnUploadCompleteReuseUploader() {
ReportingInfo reporting_info;
reporting_info.set_attempt_count(10);
uploader_ = std::make_unique<NetMetricsLogUploader>(
test_shared_url_loader_factory_, GURL("https://dummy_server"),
"dummy_mime", MetricsLogUploader::UMA,
base::BindRepeating(
&NetMetricsLogUploaderTest::OnUploadCompleteReuseUploader,
base::Unretained(this)));
uploader_->UploadLog("initial_dummy_data", "initial_dummy_hash",
"initial_dummy_signature", reporting_info);
}
void CreateUploaderAndUploadToSecureURL(const std::string& url) {
ReportingInfo dummy_reporting_info;
uploader_ = std::make_unique<NetMetricsLogUploader>(
test_shared_url_loader_factory_, GURL(url), "dummy_mime",
MetricsLogUploader::UMA,
base::BindRepeating(&NetMetricsLogUploaderTest::DummyOnUploadComplete,
base::Unretained(this)));
uploader_->UploadLog("dummy_data", "dummy_hash", "dummy_signature",
dummy_reporting_info);
}
void CreateUploaderAndUploadToInsecureURL() {
ReportingInfo dummy_reporting_info;
uploader_ = std::make_unique<NetMetricsLogUploader>(
test_shared_url_loader_factory_, GURL("http://dummy_insecure_server"),
"dummy_mime", MetricsLogUploader::UMA,
base::BindRepeating(&NetMetricsLogUploaderTest::DummyOnUploadComplete,
base::Unretained(this)));
std::string compressed_message;
// Compress the data since the encryption code expects a compressed log,
// and tries to decompress it before encrypting it.
compression::GzipCompress("dummy_data", &compressed_message);
uploader_->UploadLog(compressed_message, "dummy_hash", "dummy_signature",
dummy_reporting_info);
}
void DummyOnUploadComplete(int response_code,
int error_code,
bool was_https,
bool force_discard,
base::StringPiece force_discard_reason) {
log_was_force_discarded_ = force_discard;
}
void OnUploadCompleteReuseUploader(int response_code,
int error_code,
bool was_https,
bool force_discard,
base::StringPiece force_discard_reason) {
++on_upload_complete_count_;
if (on_upload_complete_count_ == 1) {
ReportingInfo reporting_info;
reporting_info.set_attempt_count(20);
uploader_->UploadLog("dummy_data", "dummy_hash", "dummy_signature",
reporting_info);
}
log_was_force_discarded_ = force_discard;
}
int on_upload_complete_count() const {
return on_upload_complete_count_;
}
network::TestURLLoaderFactory* test_url_loader_factory() {
return &test_url_loader_factory_;
}
const net::HttpRequestHeaders& last_request_headers() { return headers_; }
const std::string& last_upload_data() { return upload_data_; }
void WaitForRequest() { loop_.Run(); }
bool log_was_force_discarded() { return log_was_force_discarded_; }
private:
std::unique_ptr<NetMetricsLogUploader> uploader_;
int on_upload_complete_count_;
network::TestURLLoaderFactory test_url_loader_factory_;
scoped_refptr<network::SharedURLLoaderFactory>
test_shared_url_loader_factory_;
base::test::TaskEnvironment task_environment_;
base::RunLoop loop_;
std::string upload_data_;
net::HttpRequestHeaders headers_;
bool log_was_force_discarded_ = false;
};
void CheckReportingInfoHeader(net::HttpRequestHeaders headers,
int expected_attempt_count) {
std::string reporting_info_base64;
EXPECT_TRUE(
headers.GetHeader("X-Chrome-UMA-ReportingInfo", &reporting_info_base64));
std::string reporting_info_string;
EXPECT_TRUE(
base::Base64Decode(reporting_info_base64, &reporting_info_string));
ReportingInfo reporting_info;
EXPECT_TRUE(reporting_info.ParseFromString(reporting_info_string));
EXPECT_EQ(reporting_info.attempt_count(), expected_attempt_count);
}
TEST_F(NetMetricsLogUploaderTest, OnUploadCompleteReuseUploader) {
CreateAndOnUploadCompleteReuseUploader();
WaitForRequest();
// Mimic the initial fetcher callback.
CheckReportingInfoHeader(last_request_headers(), 10);
auto* pending_request_0 = test_url_loader_factory()->GetPendingRequest(0);
test_url_loader_factory()->SimulateResponseWithoutRemovingFromPendingList(
pending_request_0, "");
// Mimic the second fetcher callback.
CheckReportingInfoHeader(last_request_headers(), 20);
auto* pending_request_1 = test_url_loader_factory()->GetPendingRequest(1);
test_url_loader_factory()->SimulateResponseWithoutRemovingFromPendingList(
pending_request_1, "");
EXPECT_EQ(on_upload_complete_count(), 2);
EXPECT_FALSE(log_was_force_discarded());
}
// Verifies that when no server URLs are specified, the logs are forcibly
// discarded.
TEST_F(NetMetricsLogUploaderTest, ForceDiscard) {
CreateUploaderAndUploadToSecureURL(/*url=*/"");
WaitForRequest();
// Mimic the initial fetcher callback.
auto* pending_request_0 = test_url_loader_factory()->GetPendingRequest(0);
test_url_loader_factory()->SimulateResponseWithoutRemovingFromPendingList(
pending_request_0, "");
EXPECT_TRUE(log_was_force_discarded());
}
// Test that attempting to upload to an HTTP URL results in an encrypted
// message.
TEST_F(NetMetricsLogUploaderTest, MessageOverHTTPIsEncrypted) {
CreateUploaderAndUploadToInsecureURL();
WaitForRequest();
encrypted_messages::EncryptedMessage message;
EXPECT_TRUE(message.ParseFromString(last_upload_data()));
}
// Test that attempting to upload to an HTTPS URL results in an unencrypted
// message.
TEST_F(NetMetricsLogUploaderTest, MessageOverHTTPSIsNotEncrypted) {
CreateUploaderAndUploadToSecureURL("https://dummy_secure_server");
WaitForRequest();
EXPECT_EQ(last_upload_data(), "dummy_data");
}
// Test that attempting to upload to localhost over http results in an
// unencrypted message.
TEST_F(NetMetricsLogUploaderTest, MessageOverHTTPLocalhostIsNotEncrypted) {
CreateUploaderAndUploadToSecureURL("http://localhost");
WaitForRequest();
EXPECT_EQ(last_upload_data(), "dummy_data");
}
} // namespace metrics
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